Equipment unit · VIN-decoded · NHTSA vPIC

2000 Polar tank trailer Polar Tank Trailer

1PMS54220Y1022503 · Trailer · TRAILER

Carriers run under2

13 mo

Inspections3

all-time

OOS inspections1

of 3

First seenMar 26, 2025

Last seenApr 2, 2026

Inspected under 2 different carriers in 13 months

A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN: 1PMS54220Y1022503
Make: Polar tank trailer
Model: Polar Tank Trailer
Model year: 2000
Body class: Trailer
Vehicle type: TRAILER
GVWR: Not decoded
Decoded at: Jul 26, 2026

vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.

Inspection history

Every roadside inspection of this VIN, newest first · Mar 26, 2025 – Apr 2, 2026

Date	State	Level	Viol.	OOS	Carrier (DOT)	Plate
Apr 2, 2026	CA	III · Driver-only	1	—	RELIANT FREIGHT DIVISION INC 4320207	4UH4913/CA
Sep 4, 2025	CA	II · Walk-around	1	—	RELIANT TANK DIVISION LLC 3197567	4UH4913/CA
Mar 26, 2025	CA	I · Full	2	OOS	RELIANT TANK DIVISION LLC 3197567	4UH4913/CA

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

Carrier	DOT	First seen	Last seen	Insp.	State
RELIANT FREIGHT DIVISION INC	4320207	Apr 2, 2026	Apr 2, 2026	1	CA
RELIANT TANK DIVISION LLC	3197567	Mar 26, 2025	Sep 4, 2025	2	CA

Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.

Plate & unit-number history

The same truck under different plate registrations across carriers

Plate	State / prov.	Unit no.	Carrier	Date range	Insp.
4UH4913	CA	—	RELIANT FREIGHT DIVISION INC	Apr 2, 2026 → Apr 2, 2026	1
4UH4913	CA	—	RELIANT TANK DIVISION LLC	Mar 26, 2025 → Sep 4, 2025	2

Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026